Matt Burgess created DRILL-1640:
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Summary: DrillColumnMetaDataList does not implement List methods
Key: DRILL-1640
URL: https://issues.apache.org/jira/browse/DRILL-1640
Project: Apache Drill
Issue Type: Bug
Components: Client - JDBC
Reporter: Matt Burgess
DrillColumnMetaDataList extends from org.apache.drill.jdbc.BasicList, which
does not implement much of the List interface (it usually throws
UnsupportedOperationExceptions).
One of these methods, iterator(), is called when searching for columns by name
in the result set. Using the JDBC API, if you call
DrillResultSet.getString("myColumnName"), you get something like the following
stack trace:
Caused by: java.lang.UnsupportedOperationException
at org.apache.drill.jdbc.BasicList.iterator(BasicList.java:44)
at
org.apache.drill.jdbc.DrillColumnMetaDataList.iterator(DrillColumnMetaDataList.java:34)
at
net.hydromatic.avatica.AvaticaResultSet.findColumn0(AvaticaResultSet.java:69)
at
net.hydromatic.avatica.AvaticaResultSet.getAccessor(AvaticaResultSet.java:102)
at
net.hydromatic.avatica.AvaticaResultSet.getString(AvaticaResultSet.java:270)
DrillColumnMetaDataList should behave as a proper list.
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